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Java > Open Source Codes > org > apache > cocoon > portal > event > subscriber > impl > DefaultJXPathEventSubscriber


1 /*
2  * Copyright 1999-2002,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.cocoon.portal.event.subscriber.impl;
17
18 import org.apache.cocoon.portal.PortalService;
19 import org.apache.cocoon.portal.event.Receiver;
20 import org.apache.cocoon.portal.event.impl.JXPathEvent;
21 import org.apache.commons.jxpath.JXPathContext;
22
23 /**
24  * This subscriber processes JXPath events.
25  * @author <a HREF="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
26  *
27  * @version CVS $Id: DefaultJXPathEventSubscriber.java 219049 2005-07-14 15:11:52Z cziegeler $
28  */
29 public final class DefaultJXPathEventSubscriber
30     implements Receiver {
31
32     public DefaultJXPathEventSubscriber() {
33         // nothing to do
34 }
35
36     /**
37      * @see Receiver
38      */
39     public void inform(JXPathEvent event, PortalService service) {
40         final Object JavaDoc target = event.getTarget();
41         if ( target != null ) {
42             final JXPathContext jxpathContext = JXPathContext.newContext(target);
43             jxpathContext.setValue(event.getPath(), event.getValue());
44         }
45     }
46
47 }
48
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